added listComPorts.c and .exe so you do not need VBS

listComPorts.c

@@ -0,0 +1,148 @@
+/*
+ * listComPorts.c -- list COM ports
+ *
+ * http://github.com/todbot/usbSearch/
+ *
+ * 2012, Tod E. Kurt, http://todbot.com/blog/
+ *
+ *
+ * Uses DispHealper : http://disphelper.sourceforge.net/
+ *
+ * Notable VIDs & PIDs combos:
+ * VID 0403 - FTDI
+ * 
+ * VID 0403 / PID 6001 - Arduino Diecimila
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+
+
+#include <windows.h>
+#include <setupapi.h>
+#include <ddk/hidsdi.h>
+#include <ddk/hidclass.h>
+
+#include "disphelper.h"
+
+//
+void usage(void)
+{
+	fprintf(stderr, "Usage: listComPorts [-h] [-v] [-vid <vid>] [-pid <pid>]\n");
+	fprintf(stderr, "\t-vid <vid> : Search by Vendor ID\n");
+	fprintf(stderr, "\t-pid <pid> : Search by Product ID\n");
+	fprintf(stderr, "\t-v : Verbose output (more for more output)\n");
+	fprintf(stderr, "\t-h : This help message\n");
+	fprintf(stderr, "\nFor more info, https://github.com/todbot/usbSearch\n");
+	exit(1);
+}
+
+
+// command-line options
+int verbose = 0;
+char* VIDstr;
+char* PIDstr;
+
+void do_silly_test(void);
+
+//
+void parse_options(int argc, char **argv)
+{
+	int i;
+	const char *arg;
+
+	for (i=1; i<argc; i++) {
+		arg = argv[i];
+		//printf("arg: %s\n", arg);
+		if (*arg == '-') { // starts with a dash
+			if (strcmp(arg, "-h") == 0) {
+                usage();
+			} else if (strcmp(arg, "-v") == 0) {
+				verbose++;
+			} else if (strcmp(arg, "-vid") == 0) {
+				VIDstr = argv[++i];
+			} else if (strcmp(arg, "-pid") == 0) {
+				PIDstr = argv[++i];
+            }
+		}
+	}
+}
+
+
+// 
+int listComPorts(void)
+{
+    if(verbose)
+        printf("Searching for COM ports...\n");
+
+    DISPATCH_OBJ(wmiSvc);
+    DISPATCH_OBJ(colDevices);
+
+    dhInitialize(TRUE);
+    dhToggleExceptions(TRUE);
+
+    dhGetObject(L"winmgmts:{impersonationLevel=impersonate}!\\\\.\\root\\cimv2",
+    //dhGetObject(L"winmgmts:\\\\.\\root\\cimv2",
+                NULL, &wmiSvc);
+    dhGetValue(L"%o", &colDevices, wmiSvc, 
+               L".ExecQuery(%S)",  
+               L"Select * from Win32_PnPEntity");
+
+
+    int port_count = 0;
+
+    FOR_EACH(objDevice, colDevices, NULL) {
+
+        char* name = NULL;
+        char* pnpid = NULL;
+        char* manu = NULL;
+        char* match;
+
+        dhGetValue(L"%s", &name,  objDevice, L".Name");
+        dhGetValue(L"%s", &pnpid, objDevice, L".PnPDeviceID");
+
+        if(verbose>1) printf("'%s'.\n", name);
+        if( (match = strstr( name, "(COM" )) != NULL ) { // look for "(COM23)"
+            // 'Manufacturuer' can be null, so only get it if we need it
+            dhGetValue(L"%s", &manu, objDevice,  L".Manufacturer");
+            port_count++;
+            char* comname = strtok( match, "()");
+            printf("%s - %s - %s\n",comname, manu, pnpid);
+            dhFreeString(manu);
+        }
+
+        dhFreeString(name);
+        dhFreeString(pnpid);
+
+    } NEXT(objDevice);
+
+    SAFE_RELEASE(colDevices);
+    SAFE_RELEASE(wmiSvc);
+
+    dhUninitialize(TRUE);
+
+    if(verbose) 
+        printf("Found %d port%s\n",port_count,(port_count==1)?"":"s");
+    return 0;
+}
+
+
+
+//
+int main(int argc, char **argv)
+{
+	parse_options(argc, argv);
+
+    listComPorts();
+
+    return 0;
+
+}
+
+